INFO: task kworker/0:2:786 blocked for more than 142 seconds.
Not tainted 6.10.0-syzkaller-00017-g5e0497553643 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2 state:D stack:25360 pid:786 tgid:786 ppid:2 flags:0x00004000
Workqueue: events iterate_cleanup_work
Call Trace:
context_switch kernel/sched/core.c:5407 [inline]
__schedule+0xf27/0x5d10 kernel/sched/core.c:6748
__schedule_loop kernel/sched/core.c:6825 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6840
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
nf_ct_iterate_cleanup+0x4b/0x520 net/netfilter/nf_conntrack_core.c:2403
nf_ct_iterate_cleanup_net+0xd9/0x110 net/netfilter/nf_conntrack_core.c:2425
iterate_cleanup_work+0xce/0x230 net/netfilter/nf_nat_masquerade.c:87
process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3248
process_scheduled_works kernel/workqueue.c:3329 [inline]
worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/0:3:933 blocked for more than 144 seconds.
Not tainted 6.10.0-syzkaller-00017-g5e0497553643 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:3 state:D stack:24912 pid:933 tgid:933 ppid:2 flags:0x00004000
Workqueue: events iterate_cleanup_work
Call Trace:
context_switch kernel/sched/core.c:5407 [inline]
__schedule+0xf27/0x5d10 kernel/sched/core.c:6748
__schedule_loop kernel/sched/core.c:6825 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6840
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
nf_ct_iterate_cleanup+0x4b/0x520 net/netfilter/nf_conntrack_core.c:2403
nf_ct_iterate_cleanup_net+0xd9/0x110 net/netfilter/nf_conntrack_core.c:2425
iterate_cleanup_work+0xce/0x230 net/netfilter/nf_nat_masquerade.c:87
process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3248
process_scheduled_works kernel/workqueue.c:3329 [inline]
worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task udevd:5097 blocked for more than 145 seconds.
Not tainted 6.10.0-syzkaller-00017-g5e0497553643 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:26800 pid:5097 tgid:5097 ppid:4533 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5407 [inline]
__schedule+0xf27/0x5d10 kernel/sched/core.c:6748
__schedule_loop kernel/sched/core.c:6825 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6840
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
device_lock include/linux/device.h:1009 [inline]
uevent_show+0x188/0x3b0 drivers/base/core.c:2743
dev_attr_show+0x53/0xe0 drivers/base/core.c:2437
sysfs_kf_seq_show+0x23e/0x410 fs/sysfs/file.c:59
seq_read_iter+0x4fa/0x12c0 fs/seq_file.c:230
kernfs_fop_read_iter+0x41a/0x590 fs/kernfs/file.c:279
new_sync_read fs/read_write.c:395 [inline]
vfs_read+0x869/0xbd0 fs/read_write.c:476
ksys_read+0x12f/0x260 fs/read_write.c:619
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc8e4f16b6a
RSP: 002b:00007ffdb54e0558 EFLAGS: 00000246
ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055e74590c6f0 RCX: 00007fc8e4f16b6a
RDX: 0000000000001000 RSI: 000055e7459c7a50 RDI: 0000000000000008
RBP: 000055e74590c6f0 R08: 0000000000000008 R09: 0000000000002000
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007ffdb54e0a38 R15: 000000000000000a
INFO: task kworker/1:4:5130 blocked for more than 146 seconds.
Not tainted 6.10.0-syzkaller-00017-g5e0497553643 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4 state:D
stack:25792 pid:5130 tgid:5130 ppid:2 flags:0x00004000
Workqueue: events iterate_cleanup_work
Call Trace:
context_switch kernel/sched/core.c:5407 [inline]
__schedule+0xf27/0x5d10 kernel/sched/core.c:6748
__schedule_loop kernel/sched/core.c:6825 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6840
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
nf_ct_iterate_cleanup+0x4b/0x520 net/netfilter/nf_conntrack_core.c:2403
nf_ct_iterate_cleanup_net+0xd9/0x110 net/netfilter/nf_conntrack_core.c:2425
iterate_cleanup_work+0xce/0x230 net/netfilter/nf_nat_masquerade.c:87
process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3248
process_scheduled_works kernel/workqueue.c:3329 [inline]
worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/1:5:5131 blocked for more than 146 seconds.
Not tainted 6.10.0-syzkaller-00017-g5e0497553643 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5 state:D
stack:24448 pid:5131 tgid:5131 ppid:2 flags:0x00004000
Workqueue: events iterate_cleanup_work
Call Trace:
context_switch kernel/sched/core.c:5407 [inline]
__schedule+0xf27/0x5d10 kernel/sched/core.c:6748
__schedule_loop kernel/sched/core.c:6825 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6840
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
nf_ct_iterate_cleanup+0x4b/0x520 net/netfilter/nf_conntrack_core.c:2403
nf_ct_iterate_cleanup_net+0xd9/0x110 net/netfilter/nf_conntrack_core.c:2425
iterate_cleanup_work+0xce/0x230 net/netfilter/nf_nat_masquerade.c:87
process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3248
process_scheduled_works kernel/workqueue.c:3329 [inline]
worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/1:6:5132 blocked for more than 147 seconds.
Not tainted 6.10.0-syzkaller-00017-g5e0497553643 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:6 state:D
stack:25072 pid:5132 tgid:5132 ppid:2 flags:0x00004000
Workqueue: events iterate_cleanup_work
Call Trace:
context_switch kernel/sched/core.c:5407 [inline]
__schedule+0xf27/0x5d10 kernel/sched/core.c:6748
__schedule_loop kernel/sched/core.c:6825 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6840
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
nf_ct_iterate_cleanup+0x4b/0x520 net/netfilter/nf_conntrack_core.c:2403
nf_ct_iterate_cleanup_net+0xd9/0x110 net/netfilter/nf_conntrack_core.c:2425
iterate_cleanup_work+0xce/0x230 net/netfilter/nf_nat_masquerade.c:87
process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3248
process_scheduled_works kernel/workqueue.c:3329 [inline]
worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/0:4:5140 blocked for more than 148 seconds.
Not tainted 6.10.0-syzkaller-00017-g5e0497553643 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:4 state:D stack:23088 pid:5140 tgid:5140 ppid:2 flags:0x00004000
Workqueue: events iterate_cleanup_work
Call Trace:
context_switch kernel/sched/core.c:5407 [inline]
__schedule+0xf27/0x5d10 kernel/sched/core.c:6748
__schedule_loop kernel/sched/core.c:6825 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6840
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
nf_ct_iterate_cleanup+0x4b/0x520 net/netfilter/nf_conntrack_core.c:2403
nf_ct_iterate_cleanup_net+0xd9/0x110 net/netfilter/nf_conntrack_core.c:2425
iterate_cleanup_work+0xce/0x230 net/netfilter/nf_nat_masquerade.c:87
process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3248
process_scheduled_works kernel/workqueue.c:3329 [inline]
worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/0:5:5142 blocked for more than 148 seconds.
Not tainted 6.10.0-syzkaller-00017-g5e0497553643 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5 state:D
stack:27032 pid:5142 tgid:5142 ppid:2 flags:0x00004000
Workqueue: events iterate_cleanup_work
Call Trace:
context_switch kernel/sched/core.c:5407 [inline]
__schedule+0xf27/0x5d10 kernel/sched/core.c:6748
__schedule_loop kernel/sched/core.c:6825 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6840
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
nf_ct_iterate_cleanup+0x4b/0x520 net/netfilter/nf_conntrack_core.c:2403
nf_ct_iterate_cleanup_net+0xd9/0x110 net/netfilter/nf_conntrack_core.c:2425
iterate_cleanup_work+0xce/0x230 net/netfilter/nf_nat_masquerade.c:87
process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3248
process_scheduled_works kernel/workqueue.c:3329 [inline]
worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/0:6:5174 blocked for more than 150 seconds.
Not tainted 6.10.0-syzkaller-00017-g5e0497553643 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:6 state:D
stack:24736 pid:5174 tgid:5174 ppid:2 flags:0x00004000
Workqueue: events iterate_cleanup_work
Call Trace:
context_switch kernel/sched/core.c:5407 [inline]
__schedule+0xf27/0x5d10 kernel/sched/core.c:6748
__schedule_loop kernel/sched/core.c:6825 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6840
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
nf_ct_iterate_cleanup+0x4b/0x520 net/netfilter/nf_conntrack_core.c:2403
nf_ct_iterate_cleanup_net+0xd9/0x110 net/netfilter/nf_conntrack_core.c:2425
iterate_cleanup_work+0xce/0x230 net/netfilter/nf_nat_masquerade.c:87
process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3248
process_scheduled_works kernel/workqueue.c:3329 [inline]
worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/0:7:5175 blocked for more than 151 seconds.
Not tainted 6.10.0-syzkaller-00017-g5e0497553643 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:7 state:D
stack:29648 pid:5175 tgid:5175 ppid:2 flags:0x00004000
Workqueue: events iterate_cleanup_work
Call Trace:
context_switch kernel/sched/core.c:5407 [inline]
__schedule+0xf27/0x5d10 kernel/sched/core.c:6748
__schedule_loop kernel/sched/core.c:6825 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6840
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
nf_ct_iterate_cleanup+0x4b/0x520 net/netfilter/nf_conntrack_core.c:2403
nf_ct_iterate_cleanup_net+0xd9/0x110 net/netfilter/nf_conntrack_core.c:2425
iterate_cleanup_work+0xce/0x230 net/netfilter/nf_nat_masquerade.c:87
process_one_work+0x9c5/0x1b40 kernel/workqueue.c:3248
process_scheduled_works kernel/workqueue.c:3329 [inline]
worker_thread+0x6c8/0xf30 kernel/workqueue.c:3409
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
Showing all locks held in the system:
3 locks held by kworker/0:0/8:
#0: ffff888015480948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3223
#1: ffffc900000d7d80 ((work_completion)(&w->work)#2){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3224
#2: ffffffff8f7fd6c8 (nf_conntrack_mutex){+.+.}-{3:3}, at: nf_ct_iterate_cleanup+0x4b/0x520 net/netfilter/nf_conntrack_core.c:2403
4 locks held by kworker/0:1/9:
#0:
ffff888015480948
(
(wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3223
#1: ffffc900000e7d80 (reg_work){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3224
#2: ffffffff8f74bfe8 (rtnl_mutex){+.+.}-{3:3}, at: reg_todo+0x1c/0x910 net/wireless/reg.c:3216
#3: ffffffff8fc8ff48 (uevent_sock_mutex){+.+.}-{3:3}, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
#3: ffffffff8fc8ff48 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_net_broadcast lib/kobject_uevent.c:410 [inline]
#3: ffffffff8fc8ff48 (uevent_sock_mutex){+.+.}-{3:3}, at: kobject_uevent_env+0xaf4/0x1810 lib/kobject_uevent.c:593
6 locks held by kworker/1:0/25:
1 lock held by khungtaskd/30:
#0:
ffffffff8dbb17a0
(
rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
3 locks held by kworker/u8:4/61:
#0:
ffff888016b83948 ((wq_completion)cfg80211){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3223
#1: ffffc900015c7d80 ((work_completion)(&(&rdev->dfs_update_channels_wk)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3224
#2: ffffffff8f74bfe8 (rtnl_mutex){+.+.}-{3:3}, at: cfg80211_dfs_channels_update_work+0xd0/0x640 net/wireless/mlme.c:1021
3 locks held by kworker/0:2/786:
#0: ffff888015480948 ((wq_completion)events){+.+.}-{0:0}
, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3223
#1:
ffffc900038e7d80 ((work_completion)(&w->work)#2){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3224
#2: ffffffff8f7fd6c8 (nf_conntrack_mutex){+.+.}-{3:3}, at: nf_ct_iterate_cleanup+0x4b/0x520 net/netfilter/nf_conntrack_core.c:2403
3 locks held by kworker/0:3/933:
#0: ffff888015480948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3223
#1: ffffc90004177d80 ((work_completion)(&w->work)#2){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3224
#2: ffffffff8f7fd6c8 (
nf_conntrack_mutex
){+.+.}-{3:3}
, at: nf_ct_iterate_cleanup+0x4b/0x520 net/netfilter/nf_conntrack_core.c:2403
2 locks held by kworker/u8:7/1226:
#0:
ffff88802abb0148
(
(wq_completion)bat_events
){+.+.}-{0:0}
, at: raw_spin_rq_lock_nested kernel/sched/core.c:567 [inline]
, at: raw_spin_rq_lock_nested+0x7e/0x130 kernel/sched/core.c:552
#1: ffffc9000499fd80 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3224
3 locks held by kworker/u8:9/2920:
#0:
ffff888029e8e948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3223
#1:
ffffc90009fffd80
(
(work_completion)(&(&ifa->dad_work)->work)
){+.+.}-{0:0}
, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3224
#2:
ffffffff8f74bfe8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xcf/0x1500 net/ipv6/addrconf.c:4193
5 locks held by kworker/u9:1/4477:
#0:
ffff88805c982948 ((wq_completion)hci6){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3223